Crash in PAGEventTracker - objc_retain on deallocated object during event tracking

[ankitguptaastratech]

SDK Version: Ads-Global 7.8.0.5
Platform: iOS
Device: iPhone (arm64)
Date: Feb 4, 2026

Summary:

The app crashes with an EXC_BAD_ACCESS (objc_retain on zombie object) in the PAGEventTracker class during ad event tracking. The crash occurs on the serial queue
com.bytedance.adsdk.serial.7.8.0.5.PAGStatsEventTracker.db.

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Crash Stack Trace:

Crashed: com.bytedance.adsdk.serial.7.8.0.5.PAGStatsEventTracker.db
0 libobjc.A.dylib 0x144c objc_retain_x0 + 16
1 libobjc.A.dylib 0x144c objc_retain + 16
2 botim_ios 0x2b37f0c -[PAGEventTracker PAGMAX_DuanDoes:andTriggerModel:] + 283 (PAGEventTracker.m:283)
3 botim_ios 0x2b37744 -[PAGEventTracker PAGDoes_R2List:] + 190 (PAGEventTracker.m:190)
4 botim_ios 0x2b36e28 __30-[PAGEventTracker trackEvent:]_block_invoke + 95 (PAGEventTracker.m:95)
5 libdispatch.dylib 0x1adc _dispatch_call_block_and_release + 32
6 libdispatch.dylib 0x1b7fc _dispatch_client_callout + 16
7 libdispatch.dylib 0xa468 _dispatch_lane_serial_drain + 740
8 libdispatch.dylib 0xaf44 _dispatch_lane_invoke + 388
9 libdispatch.dylib 0x153ec _dispatch_root_queue_drain_deferred_wlh + 292
10 libdispatch.dylib 0x14ce4 _dispatch_workloop_worker_thread + 692
11 libsystem_pthread.dylib 0x13b8 _pthread_wqthread + 292
12 libsystem_pthread.dylib 0x8c0 start_wqthread + 8

Actual Behavior:
App crashes with EXC_BAD_ACCESS when PAGEventTracker attempts to retain a deallocated object.

Reproduction:
The crash appears to occur during normal ad event tracking. Exact reproduction steps are unknown as it happens intermittently.